| Name | CVE-2026-43002 |
| Description | An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1135810 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| horizon (PTS) | bullseye | 3:18.6.2-5+deb11u2 | fixed |
| bookworm | 3:23.0.0-5+deb12u1 | fixed |
| trixie | 3:25.3.0-3 | fixed |
| forky, sid | 3:25.7.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| horizon | source | bullseye | (not affected) | | | |
| horizon | source | bookworm | (not affected) | | | |
| horizon | source | trixie | (not affected) | | | |
| horizon | source | (unstable) | 3:25.7.3-1 | | | 1135810 |
Notes
[trixie] - horizon <not-affected> (Vulnerable code not present)
[bookworm] - horizon <not-affected> (Vulnerable code not present)
[bullseye] - horizon <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2026/05/05/7
https://bugs.launchpad.net/horizon/+bug/2150331